code: def test_get_list_or_str():
      assert get_list_or_str(["foo", "bar"]) == ["foo", "bar"]
      assert get_list_or_str("foo") == "foo"
      assert get_list_or_str("['foo', 'bar']") == ["foo", "bar"]
  
file_path: h2ogpt/tests/test_utils.py
imports: import sys
  import pytest
  from src.utils import get_list_or_str, read_popen_pipes, get_token_count, reverse_ucurve_list, undo_reverse_ucurve_list
  from tests.utils import wrap_test_forked
  import subprocess
label_desc: Use image node_id 1 for calling a global function with example usage: test_get_list_or_str() without return types